The download progress window dosn't show for 6u19b02 tck test.

Testsuite name: TCK-jnlp manual
JDK/JRE tested: jdk-6u19-fcs-bin-b02-solaris-i586-02_feb_2010.sh
OS/architecture: solaris9-x86
Reproducible: Always
Is it a platform specific regression: N
Is it a Regression: Y
[If yes] Regression introduced in release/build: 6u19b02 FCS
[If yes] Test result on FCS: Fail,1.6.0 FCS

Steps to reproduce:
1. execute the test case of api/javax_jnlp/ExtensionInstallerService/index.html#statusWindow
2. This is the tnteractive test for ExtensionInstallerService Status Window.ExtensionInstallerService is used by an extension installer to communicate with the JNLP Client. This service allows to drive the JNLP Client's download screen. Wait till the test installer application downloaded and started and the installation status window appeared.

#Expected behavior:
The installation status window should appear.

 
#Actual behavior:
The installation status window appears and then crash immediately. Please refer to the attachment tck- statusWindow.zip.
 

#Exceptions:
None

 
#Validation:

1. same configuration/6u19b01(jdk-6u19-ea-bin-b01-solaris-i586-23_dec_2009.sh):Pass
2. same configuration/win7-ultimate-x64: Same issue
3. rhel5.4-x86,6u19b02-j4b: Same issue